100020100220 has 12 divisors (see below), whose sum is σ = 210042210504. Its totient is φ = 40008040080.

The previous prime is 100020100189. The next prime is 100020100241. The reversal of 100020100220 is 22001020001.

It is a junction number, because it is equal to n+sod(n) for n = 100020100198 and 100020100207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500502486 + ... + 2500502525.

It is an arithmetic number, because the mean of its divisors is an integer number (17503517542).

Almost surely, 2^100020100220 is an apocalyptic number.

100020100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020100220 is an abundant number, since it is smaller than the sum of its proper divisors (110022110284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100020100220 is a wasteful number, since it uses less digits than its factorization.

100020100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001005020 (or 5001005018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 100020100220 its reverse (22001020001), we get a palindrome (122021120221).

The spelling of 100020100220 in words is "one hundred billion, twenty million, one hundred thousand, two hundred twenty".